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Cryptonym: SLIPSTREAM

Definition:
Agent that identified the "Mystery Man" in Mexico City as Juriy (Yuri) Maskelov.
Status:
Speculative
Sources:

104-10308-10085: MEMO: AMWORLD

Nov. 1971: Agency learned from DGI defector SLIPSTREAM that Guillermo Alonso Pujol was a Cuban intelligence agent. As of 5/21/63, Alonso was active with the Cuban Committee for Liberation (CCL).

104-10217-10337: REYNAL GONZALEZ GONZALEZ

Memo from Christine Hopkins, Latin American division: In 1970, (AMCALL-1, Reynal) Gonzalez' wife negotiated with Pujols in an unsuccessful attempt to have her husband released from prison. Pujols "turned out to be Cuban agent".

104-10217-10136: CABLE RE: IDENTITIES FOLLOW ON CRYPTS USED IN REF B

4/30/71 memo from WH/Miami to WITHHELD: "Identities follow in (following cable): B. AMECRU-1 (Chief negotiator of ransom cases who has mildly unsavory reputation and who deals with high ranking (Cuban) officials)." Marginalia adds "DGI per ()ipstream-1". Slipstream-1 was a Cuban defector in 1971.

104-10413-10057: CASE 57845

March 1977: A former member of DGI was asked to identify the Mystery Man. He identified him as Yuri, a KGB officer, who he had met in Moscow in 1964. "He said that Yuri, a fluent English and Spanish speaker, was acting as a troubleshooter for the Cuban group, about 15, attending (an intelligence) course...Yuri lived (in the same building as the Cubans). Anytime that the Cubans had a problem Yuri would solve it for them...Yuri did not attend classes with the Cuban group. He was only entrusted with their welfare."

104-10413-10306: FILE: KORNILOV, MOSKALEV, ET AL

April 1977:"Subject, Theory re Moskalev, Yuriy Ivanovich and Unidentified Man. That Yuriy Ivanovich Moskalev might be identifiable with the 'unidentified man' going into and coming out of the Soviet Embassy in Mexico City in October 1963. The 'unidentified man' was recently identified by SLIPSTREAM as a KGB type by name of 'Yuri' whom he knew in Moscow in 1964."

Contributors:
Bill Simpich

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